|Rank|Heat|Nation|Competitors|Time|Notes|
|---|---|---|---|---|---|
|1|2|United States|Kelly Willie, Derrick Brew, Andrew Rock, Darold Williamson|2:59.30|Q|
|2|2|Nigeria|James Godday, Musa Audu, Saul Weigopwa, Enefiok Udo-Obong|3:01.60|Q, SB|
|3|2|Bahamas|Andrae Williams, Dennis Darling, Nathaniel McKinney, Christopher Brown|3:01.74|Q, SB|
|4|1|Great Britain|Timothy Benjamin, Sean Baldock, Malachi Davis, Matthew Elias|3:02.40|Q, SB|
|5|1|Japan|Yuki Yamaguchi, Jun Osakada, Tomohiro Ito, Mitsuhiro Sato|3:02.71|Q|
|6|1|Germany|Ingo Schultz, Kamghe Gaba, Ruwen Faller, Bastian Swillims|3:02.77|Q|
|7|1|Australia|John Steffensen, Clinton Hill, Patrick Dwyer, Mark Ormrod|3:03.06|q|
|8|1|Botswana|Oganeditse Moseki, Johnson Kubisa, California Molefe, Kagiso Kilego|3:03.32|q, SB|
|9|2|Russia|Aleksandr Larin, Andrey Rudnitskiy, Oleg Mishukov, Ruslan Mashchenko|3:03.35||
|10|2|Poland|Piotr Rysiukiewicz, Piotr Klimczak, Marcin Marciniszyn, Marek Plawgo|3:03.69||
|11|2|Ukraine|Volodymyr Demchenko, Yevgeniy Zyukov, Myhaylo Knysh, Andriy Tverdostup|3:04.01||
|12|1|Greece|Stilianos Dimotsios, Anastasios Gousis, Panagiotis Sarris, Periklis Iakovakis|3:04.27|SB|
|13|1|France|Ahmed Douhou, Ibrahima Wade, Abderrahim El Haouzy, Leslie Djhone|3:04.39||
|14|2|Spain|Eduardo Ivan Rodriguez, David Canal, Luis Flores, Antonio Manuel Reina|3:05.03|SB|
||2|South Africa|Marcus la Grange, Hendrick Mokganyetsi, Ockert Cilliers, Arnaud Malherbe|DNF||
||1|Jamaica|Michael Campbell, Michael Blackwood, Jermaine Gonzales, Davian Clarke|DSQ||

Question: how many athletes only took 3:02 minutes to complete the heat?
Answer: 12